original description
White, C.A. (1876). Invertebrate paleontology of the Plateau province, together with notice of a few species from localities beyond its limits in Colorado. In: Powell, J.W. (Ed.) Report on the geology of the eastern portion of the Uinta Mountains and a region of country adjacent thereto. With atlas. U. S. Geological and Geographic Survey of the Terretories, Washington, 74-135 pp., available online at https://www.biodiversitylibrary.org/page/19391191
page(s): 119 [details]
basis of record
Yen, T.-C. (1952). Freshwater molluscan fauna from an Upper Cretaceous porcellanite near Sage Junction, Wyoming. <em>American Journal of Science.</em> 250(5): 344-359., available online at https://doi.org/10.2475/ajs.250.5.344
page(s): 357 [details] Available for editors [request]
From editor or global species database
Type locality Locality L3335a, Upper Kanab Creek, Kane County, Utah, United States; Mesaverde Group, late Santonian to early Maastrichtian, late Cretaceous [details]